Pith Number

pith:FKG5OND4

pith:2021:FKG5OND4ZZQELATYF3NHJ3C4YR

not attested not anchored not stored refs pending

On a Poincar\'e-Perron problem for high order differential equation

H. Bustos, Manuel Pinto, P. Figueroa

arxiv:2111.05467 v1 · 2021-11-10 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKG5OND4ZZQELATYF3NHJ3C4YR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:30:44.639980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8dd7347cce604582782eda74ec5cc44af72b93defe2e19f73f526643d92475

Aliases

arxiv: 2111.05467 · arxiv_version: 2111.05467v1 · doi: 10.48550/arxiv.2111.05467 · pith_short_12: FKG5OND4ZZQE · pith_short_16: FKG5OND4ZZQELATY · pith_short_8: FKG5OND4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FKG5OND4ZZQELATYF3NHJ3C4YR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2a8dd7347cce604582782eda74ec5cc44af72b93defe2e19f73f526643d92475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178f4437b746c3349e9895c74a83242bf0d7cae17e7f0d05e42ff0e3dee4ee2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2021-11-10T00:27:57Z",
    "title_canon_sha256": "9df194b4cc7c465ea2ffb60e794bacc5b7a80d3312e80ae490ea8f658006b968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05467",
    "kind": "arxiv",
    "version": 1
  }
}